#nav {
    height: 60px;
    background-color: #fff;
    position: relative;
}

.nav {
    height: 60px;
    display: flex;
    justify-content: space-between;
}


/* left */

.nav_left {
    width: 140px;
    height: 60px;
}

.nav_left img {
    width: 119px;
    height: 40px;
    margin: 10px 0;
}


/* center */

.nav_center {
    width: 850px;
    height: 40px;
    background-color: #F2F2F2;
    border-radius: 20px;
    margin-top: 10px;
    display: flex;
    justify-content: space-between;
}

.nav_center_add_con img,
.nav_center_type_con img {
    width: 12px;
    height: 12px;
    margin: -1px 10px;
}

.nav_center_add_con span {
    line-height: 40px;
    display: inline-flex;
    width: 28px;
    margin-left: 50px;
    font-size: 14px;
    color: #666;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    word-break: break-all;
}

.nav_centon_type {
    width: 110px;
    height: 40px;
    z-index: 12;
}

.nav_center_type_con_span {
    display: table-cell;
    font-size: 14px;
    color: #666;
    line-height: 40px;
    cursor: pointer;
    max-width: 60px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    word-break: break-all;
}

.nav_centon_type_ul {
    width: 110px;
    height: 144px;
    background-color: #fff;
    display: none;
    overflow-x: auto;
}

.nav_centon_type_ul::-webkit-scrollbar {
    width: 2px;
}

.nav_centon_type_ul::-webkit-scrollbar-thumb {
    background-color: #999;
}

.nav_centon_type_ul li {
    height: 24px;
    color: #999;
    font-size: 12px;
    padding-left: 10px;
    line-height: 24px;
}

.nav_centon_type_ul li:hover {
    background-color: #FF511C;
    color: #fff;
}

#nav_search {
    width: 520px;
    height: 38px;
    border: none;
    background-color: #F2F2F2;
}

#nav_button {
    display: inline-block;
    width: 96px;
    height: 40px;
    background-color: #FF511C;
    border-radius: 20px;
    border: none;
    line-height: 40px;
    font-size: 14px;
    color: #fff;
    position: relative;
}

#nav_button span {
    margin-left: 25px;
}

.nav_button_img {
    width: 18px;
    height: 18px;
    position: absolute;
    margin-top: 10px;
    margin-left: -40px;
}


/* right */

.nav_right {
    width: 148px;
    height: 60px;
}

.nav_right_div {
    width: 64px;
    height: 30px;
    background-color: #ECECEC;
    text-align: center;
    border-radius: 15px;
    margin: 15px 0;
}

.nav_right_div a {
    color: #666;
    font-size: 14px;
    line-height: 30px;
}

.nav_right_img {
    width: 34px;
    height: 34px;
    margin: 13px 0 0 52px;
    border-radius: 50%;
}

.nav_right_span {
    float: right;
    font-size: 12px;
    color: #666;
    line-height: 60px;
    margin-left: 14px;
}

.nav_right a {
    width: 148px;
    height: 60px;
}


/* region */

#region_div {
    display: none;
    width: 100%;
    height: 1200px;
    z-index: 1;
}

#region {
    display: none;
}

#region {
    position: absolute;
    width: 900px;
    height: 600px;
    background-color: #fff;
    box-shadow: 0px 0px 20px #ccccccc7;
    margin-left: 146px;
    z-index: 12;
    margin-top: 115px;
}

#region h4 {
    font-size: 16px;
    color: #FF511C;
    padding: 36px 0 0 60px;
}

.region_biao {
    width: 782px;
    height: 40px;
    background-color: #F6F6F6;
    border-radius: 20px;
    margin: 0 auto;
    margin-top: 20px;
}

.region_biao ul {
    display: flex;
    justify-content: space-around;
}

.region_biao ul li {
    line-height: 40px;
    color: #666;
    font-size: 14px;
    text-align: center;
    cursor: pointer;
}

.region_biao ul li span {
    font-size: 14px;
    font-weight: bold;
    color: #FF511C;
}

.gang {
    width: 64px;
    height: 2px;
    margin-top: -2px;
    background-color: #FF511C;
}

.region_remen {
    display: flex;
    flex-wrap: wrap;
    margin: 24px 50px 0 50px;
}

.region_remen a {
    width: 28px;
    font-size: 14px;
    color: #666;
    margin: 20px 66px;
    cursor: pointer;
    max-width: 40px;
    white-space: nowrap;
    overflow: hidden;
    word-break: break-all;
}